<template>
	<view class="my-settle-container">
		<!--全选-->
		<label class="radio">
			<radio value="" color="#C00000" :checked="isFullCheck" @click="changeAllState" /><text>全选</text>
		</label>
		<!--合计-->
		<view class="amount-box">
			合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<!--结算按钮-->
		<view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
	</view>
</template>

<script>
	import {mapGetters, mapMutations, mapState} from 'vuex'
	export default {
		name:"my-settle",
		data() {
			return {
				//倒计时的秒数
				seconds:3,
				//定时器的id
				timer:null
			};
		},
		computed:{
			...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
			...mapGetters('m_user', ['addstr']),
			...mapState('m_user', ['token']),
			...mapState('m_cart', ['cart']),
			isFullCheck(){
				return this.total === this.checkedCount;
			}
		},
		methods:{
			...mapMutations('m_cart', ['updateAllGoodsState']),
			...mapMutations('m_user', ['updateRedirectInfo']),
			changeAllState(){
				this.updateAllGoodsState(!this.isFullCheck)
			},
			//用户点击了结算按钮
			settlement(){
				if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品！');
				if(!this.addstr) return uni.$showMsg('请选择收货地址！');
				// if(!this.token) return uni.$showMsg('请先登录！');
				if(!this.token) return this.delayNavigate();
				
				this.payOrder()
			},
			async payOrder(){
				//1.创建订单
				//1.1 组织订单信息对象
				const orderInfo = {
					order_price:this.checkedGoodsAmount,
					order_price:0.01,
					consignee_addr:this.addstr,
					goods:this.cart.filter(x=>x.goods_state).map(x=>({
						goods_id:x.goods_id,
						goods_number:x.goods_count,
						goods_price:x.goods_price
					}))
				}
				//1.2 发起请求创建订单
				const { data: res } = await uni.$http.post('/api/shopData.php',
										{
											getType:9,
											orderInfo:orderInfo
										});
				//加载失败
				if(res.meta.status !== 200) return uni.$showMsg("创建订单失败！");
				
				//1.3 得到服务器响应的“订单编号”
				const orderNumber = res.data[0].order_number;
				
				console.log(orderNumber);
				//订单预支付
				//2.1 发起请求获取订单的支付信息
				const { data: orderResult } = await uni.$http.post('/api/shopData.php',
										{
											getType:10,
											order_number:orderNumber
										});
				//2.2 预付订单失败
				if(orderResult.meta.status !== 200) return uni.$showMsg("预付订单失败！");
				//2.3 得到订单支付相关的必要参数
				const payInfo = orderResult.data[0].pay;
				
				//3. 发起微信支付
				//3.1 调用uni.requestPayment() 发起微信支付
				const [err, succ] = uni.requestPayment(payInfo);
				//3.2 未完成支付
				if(err) return uni.$showMsg('订单未支付');
				//3.3 完成了支付，进一步查询支付的结果
				const { data: res3 } = await uni.$http.post('/api/shopData.php',
										{
											getType:11,
											order_number:orderNumber
										});
				//3.4 检测到了订单未支付
				if(res3.meta.status !== 200) return uni.$showMsg('订单未支付');
				//3.5 检测到订单支付完成
				uni.showToast({
					title:'订单支付完成！',
					icon:'success'
				})
			},
			delayNavigate(){
				// 把 data 中的秒数重置成 3 秒
				this.seconds = 3;
				this.showTips(this.seconds);
				this.timer = setInterval(()=>{
					this.seconds--;
					
					if(this.seconds <=0){
						clearInterval(this.timer);
						console.log('end');
						uni.switchTab({
							url:'/pages/my/my',
							success:()=>{
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
							}
						})
						return
						
					}
					
					this.showTips(this.seconds);
				}, 1000)
			},
			//展示倒计时的提示消息
			showTips(n){
				uni.showToast({
					icon:'none',
					title:'请登录后再结算！'+n+'秒后自动跳转到登录页面',
					mask:true,
					duration:1500
				})
			}
		}
	}
</script>

<style lang="scss">
.my-settle-container{
	position: fixed;
	bottom: 0;
	left:0;
	width: 100%;
	height:50px;
	//background-color: red;
	display:flex;
	justify-content: space-between;
	align-items: center;
	font-size: 14px;
	padding-left: 5px;
	.radio{
		display: flex;
		align-items: center;
	}
	.amount-box{
		.amount{
			color:#C00000;
			font-weight: bold;
		}
	}
	.btn-settle{
		background-color: #C00000;
		height: 50px;
		color:white;
		line-height: 50px;
		padding: 0 10px;
		min-width: 100px;
		text-align: center;
	}
}

</style>
